Product Description
System metrics
RF range: 640.25 --690.00MHz (A channel: 640.25MHZ---665.25MHZ, B channel: 665.50MHZ---690.00MHZ)
Available bandwidth: 25MHz per channel
Modulation method: FM frequency modulation
Number of channels: 200 channels of infrared automatic frequency matching
Operating temperature: minus 18 degrees Celsius to 50 degrees Celsius
Squelch method: automatic noise detection and digital ID code squelch
Offset: 45KHz
Dynamic range:>110dB
Audio Response: 60Hz-18KHz
Comprehensive signal-to-noise ratio:>105dB
Overall distortion: <0.5%
Receiver Specifications:
Receiving mode: double frequency conversion super heterodyne, double tuning true diversity reception
Oscillation mode: PLL phase locked loop
IF frequency: 1st IF: 110MHz, 2nd IF: 10.7MHz
Antenna interface: TNC socket
Display mode: LCD
Sensitivity: -100dBm (40dB S/N)
Spurious Suppression:>80dB
Audio output: Unbalanced: +4dB(1.25V)/5KΩ
Balance: +10dB(1.5V)/600Ω
Supply voltage: DC12V
Supply current: 450mA
Transmitter Specifications: (908 Transmitter)
Oscillation mode: PLL phase locked loop
Output power: 3dBm-10dBm (LO/HI conversion)
Battery: 2 "1.5V No. 5" batteries
Current:<100mA(HF),<80mA(LF)
Use time (alkaline battery): about 8 hours at high power
